28280742

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 70917120

約数和(自身を除く): 42636378

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 31, 42, 49, 58, 62, 87, 93, 98, 107, 147, 174, 186, 203, 214, 217, 294, 321, 406, 434, 609, 642, 651, 749, 899, 1218, 1302, 1421, 1498, 1519, 1798, 2247, 2697, 2842, 3038, 3103, 3317, 4263, 4494, 4557, 5243, 5394, 6206, 6293, 6634, 8526, 9114, 9309, 9951, 10486, 12586, 15729, 18618, 18879, 19902, 21721, 23219, 31458, 37758, 43442, 44051, 46438, 65163, 69657, 88102, 96193, 130326, 132153, 139314, 152047, 162533, 192386, 264306, 288579, 304094, 325066, 456141, 487599, 577158, 673351, 912282, 975198, 1346702, 2020053, 4040106, 4713457, 9426914, 14140371, 28280742]

約数ペア:

[(1, 28280742), (2, 14140371), (3, 9426914), (6, 4713457), (7, 4040106), (14, 2020053), (21, 1346702), (29, 975198), (31, 912282), (42, 673351), (49, 577158), (58, 487599), (62, 456141), (87, 325066), (93, 304094), (98, 288579), (107, 264306), (147, 192386), (174, 162533), (186, 152047), (203, 139314), (214, 132153), (217, 130326), (294, 96193), (321, 88102), (406, 69657), (434, 65163), (609, 46438), (642, 44051), (651, 43442), (749, 37758), (899, 31458), (1218, 23219), (1302, 21721), (1421, 19902), (1498, 18879), (1519, 18618), (1798, 15729), (2247, 12586), (2697, 10486), (2842, 9951), (3038, 9309), (3103, 9114), (3317, 8526), (4263, 6634), (4494, 6293), (4557, 6206), (5243, 5394)]